[PATCH] D101342: [SelectionDAG][Mips][PowerPC][RISCV][WebAssembly] Teach computeKnownBits/ComputeNumSignBits about atomics

Mon May 10 12:38:53 PDT 2021

jrtc27 added a comment.

In D101342#2748417 <https://reviews.llvm.org/D101342#2748417>, @stefanp wrote:

> @jrtc27
> It looks like this patch has broken one of out Big Endian PowerPC buildbots:
> https://lab.llvm.org/buildbot/#/builders/93/builds/3021
>
> We are currently investigating but if we cannot find the solution quickly we will pull the patch and continue investigating after that.

The only thing I can think of is if any atomics are lowered with sign-extending rather than zero-extending instructions, thereby violating what getExtendForAtomicOps claims?

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D101342/new/

https://reviews.llvm.org/D101342